De Vision USB-Stick is a Z-Wave Plus USB-dongle. When attached to a host processor it becomes a z-wave transmitter based on the Zensys API (SerialAPI). The primairy function of this z-wave usb stick is host-controller for controlling a maximum of 232 z-wave devices. The USB stick acts as a static controller with extended network functionality (SUC/SIS). Additional software needs to be installed.